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Finding the Fourth Proportional to 563.28, 844.94 and 197.99

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Solution

The fourth proportional to 563.28, 844.94 and 197.99 is: 296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.28 : 844.94 = 197.99 : x
  2. Step 2: Convert to fraction form
    563.28/844.94 = 197.99/x
  3. Step 3: Cross multiply
    563.28x = 844.94 × 197.99
  4. Step 4: Simplify right side
    563.28x = 167,284.46
  5. Step 5: Solve for x
    x = 167,284.46/563.28
  6. Step 6: Final answer
    x = 296.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.